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经营范围
发明名称
Fault location in electrical cables
摘要
申请公布号
US2931975(A)
申请公布日期
1960.04.05
申请号
US19570668161
申请日期
1957.06.26
申请人
BECHTEL CHARLES B
发明人
BECHTEL CHARLES B.
分类号
G01R31/08
主分类号
G01R31/08
代理机构
代理人
主权项
地址
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